Improving the accuracy of touch screens: an experimental evaluation of three strategies
CHI '88 Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
Evaluating two-handed input techniques: rectangle editing and navigation
CHI '99 Extended Abstracts on Human Factors in Computing Systems
Precise selection techniques for multi-touch screens
Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
Fluid DTMouse: better mouse support for touch-based interactions
Proceedings of the working conference on Advanced visual interfaces
Multi-finger cursor techniques
GI '06 Proceedings of Graphics Interface 2006
symTone: two-handed manipulation of tone reproduction curves
GI '06 Proceedings of Graphics Interface 2006
Direct-touch vs. mouse input for tabletop displays
Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
Shift: a technique for operating pen-based interfaces using touch
Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
Shallow-depth 3d interaction: design and evaluation of one-, two- and three-touch techniques
Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
Indirect mappings of multi-touch input using one and two hands
Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
AVI '08 Proceedings of the working conference on Advanced visual interfaces
Proceedings of Graphics Interface 2009
Understanding Multi-touch Manipulation for Surface Computing
INTERACT '09 Proceedings of the 12th IFIP TC 13 International Conference on Human-Computer Interaction: Part II
Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
Magic desk: bringing multi-touch surfaces into desktop work
Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
Triangle cursor: interactions with objects above the tabletop
Proceedings of the ACM International Conference on Interactive Tabletops and Surfaces
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As applications originating on desktop computers find their way onto multi-touch enabled mobile devices many interaction tasks that were designed for computer mice spread to new touch-based environments. One example is region selection, for instance in image editing applications. Several studies already investigated multi-touch object selections however, region selections have not been closely examined. Our proposed selection technique was designed for multi-touch interaction and better suits mobile devices. Taking advantage of multiple touches enables the user to easily extend, modify and refine selections based on the order and relative position---the context---of touches. We were concerned that controlling more degrees of freedom with our technique could negatively impact simple selections. To evaluate its performance we present a user study that compares it to currently used techniques. Results show that our multi-touch region selection represents a good compromise of speed and precision, while providing the possibility to easily refine the selected region.